According to officially "verified" information, Mistic River, the iRiver community forum, has stated that the US version of iRiver's new H300 audio players will not have USB On the Go (USB OTG), a feature available on the European and Asian versions of the same device. If true, we can only call this development inexplicable. Along with a higher price tag and a color LCD screen, USB OTG was one the main differentiators of the H300s over iRiver's older, less expensive H100s and competitors from Apple, Rio, Creative and others.
It has been speculated that there may be US patent issues that have driven iRiver to this step, but no evidence has been offered thus far.